.page-faq {
  --faq-col: 820px;
  --faq-rule: 1px solid rgba(16, 20, 24, 0.14);
  --faq-rule-dark: 1px solid rgba(244, 241, 234, 0.18);
  background: var(--rice);
  color: var(--ink);
}

.page-faq img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(26px, 5vw, 56px) 0 clamp(34px, 6vw, 76px);
  border-bottom: var(--line) solid var(--ink);
  background:
    radial-gradient(120% 92% at 88% 10%, rgba(31, 110, 140, 0.16), transparent 62%),
    linear-gradient(180deg, rgba(127, 182, 196, 0.2), rgba(244, 241, 234, 0) 58%),
    var(--rice);
}

.page-faq .faq-hero__inner {
  display: grid;
  gap: clamp(26px, 4vw, 52px);
  align-items: center;
}

.page-faq .faq-hero__title {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(31px, 5.4vw, 62px);
  line-height: 1.03;
  letter-spacing: -0.02em;
  max-width: 640px;
}

.page-faq .faq-hero__jump {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-faq .faq-hero__figure,
.page-faq .faq-help__figure {
  margin: 0;
}

.page-faq .faq-hero__figure .figure__media,
.page-faq .faq-help__figure .figure__media {
  width: 100%;
}

/* ---------- 分类过滤条 ---------- */
.page-faq .faq-filter {
  position: sticky;
  top: var(--header-h);
  z-index: 30;
  background: rgba(244, 241, 234, 0.96);
  border-bottom: var(--line) solid var(--ink);
}

.page-faq .faq-filter__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  padding: 12px 0;
}

.page-faq .faq-filter__label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--rock);
  text-transform: uppercase;
}

.page-faq .faq-filter__links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-faq .faq-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 12px;
  border: var(--line) solid var(--ink);
  border-radius: var(--r);
  background: var(--rice);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.4;
  text-decoration: none;
  transition: transform 0.16s ease, background-color 0.16s ease, box-shadow 0.16s ease;
}

.page-faq .faq-chip:hover,
.page-faq .faq-chip:focus-visible {
  transform: translateY(-2px);
  background: #ffffff;
  box-shadow: var(--shadow-soft);
}

.page-faq .faq-chip__n {
  font-size: 12px;
  color: var(--clay);
}

/* ---------- 问答主体 ---------- */
.page-faq .faq-body {
  padding: clamp(38px, 6.5vw, 84px) 0 clamp(28px, 5vw, 60px);
}

.page-faq .faq-col {
  max-width: var(--faq-col);
  margin-inline: auto;
}

.page-faq .faq-group {
  scroll-margin-top: calc(var(--header-h) + 86px);
  margin-bottom: clamp(34px, 5vw, 58px);
}

.page-faq .faq-group:last-child {
  margin-bottom: 0;
}

.page-faq .faq-group__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  padding-bottom: 12px;
  border-bottom: var(--line) solid var(--ink);
}

.page-faq .faq-group__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(20px, 2.4vw, 28px);
  letter-spacing: 0.01em;
}

.page-faq .faq-group__note {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--rock);
  letter-spacing: 0.04em;
}

.page-faq .faq-item {
  border-bottom: var(--faq-rule);
}

.page-faq .faq-item:last-child {
  border-bottom: none;
}

.page-faq .faq-item__q {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 20px 34px 20px 0;
  cursor: pointer;
  list-style: none;
  font-size: clamp(16px, 1.5vw, 20px);
  font-weight: 600;
  line-height: 1.55;
  color: var(--ink);
  transition: color 0.16s ease;
}

.page-faq .faq-item__q::-webkit-details-marker {
  display: none;
}

.page-faq .faq-item__q::marker {
  content: "";
}

.page-faq .faq-item__q:hover,
.page-faq .faq-item__q:focus-visible {
  color: var(--qing);
}

.page-faq .faq-item__q::after {
  content: "+";
  position: absolute;
  right: 0;
  top: 18px;
  width: 22px;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 400;
  line-height: 1;
  color: var(--clay);
}

.page-faq .faq-item[open] .faq-item__q::after {
  content: "−";
}

.page-faq .faq-item__idx {
  flex: none;
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 400;
  color: var(--rock);
  letter-spacing: 0.04em;
}

.page-faq .faq-item__label {
  flex: 1 1 auto;
}

.page-faq .faq-item__a {
  padding: 0 34px 22px 40px;
}

.page-faq .faq-item__a p {
  margin: 0 0 10px;
  font-size: 16px;
  line-height: 1.8;
  color: var(--ink);
  max-width: 40em;
}

.page-faq .faq-item__a p:last-child {
  margin-bottom: 0;
}

.page-faq .faq-item__meta {
  display: block;
  width: fit-content;
  margin-top: 12px;
  padding-top: 8px;
  border-top: 1px dashed rgba(16, 20, 24, 0.22);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.03em;
  color: var(--moss);
}

.page-faq .faq-item[open] > .faq-item__a {
  animation: faqItemOpen 0.22s ease-out;
}

@keyframes faqItemOpen {
  from {
    opacity: 0;
    transform: translateY(-5px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* ---------- 更新节奏 ---------- */
.page-faq .faq-cadence {
  padding: clamp(42px, 7vw, 88px) 0;
}

.page-faq .faq-cadence .section-head__title {
  color: var(--rice);
}

.page-faq .faq-cadence .section-head__note {
  color: var(--shui);
}

.page-faq .faq-table__wrap {
  overflow-x: auto;
  margin-top: clamp(20px, 3vw, 34px);
}

.page-faq .faq-table {
  width: 100%;
  min-width: 520px;
  border-collapse: collapse;
  font-size: 15px;
  text-align: left;
}

.page-faq .faq-table__cap {
  padding-bottom: 12px;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--shui);
}

.page-faq .faq-table thead th {
  padding: 0 14px 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--shui);
  border-bottom: 2px solid var(--acid);
}

.page-faq .faq-table th,
.page-faq .faq-table td {
  padding: 15px 14px;
  font-weight: 400;
  color: var(--rice);
  border-bottom: var(--faq-rule-dark);
  vertical-align: top;
}

.page-faq .faq-table tbody th {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--shui);
  white-space: nowrap;
}

.page-faq .faq-em {
  font-family: var(--font-mono);
  color: var(--acid);
}

/* ---------- 提交纠错 ---------- */
.page-faq .faq-submit {
  padding: clamp(42px, 7vw, 88px) 0;
  background: var(--rice);
}

.page-faq .faq-submit__grid {
  margin-top: clamp(22px, 3.4vw, 40px);
}

.page-faq .faq-submit__sub {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--rock);
}

.page-faq .faq-submit__steps {
  list-style: none;
  counter-reset: faq-step;
  margin: 0;
  padding: 0;
}

.page-faq .faq-submit__steps li {
  position: relative;
  padding: 13px 0 13px 46px;
  border-bottom: var(--faq-rule);
  font-size: 16px;
  line-height: 1.7;
}

.page-faq .faq-submit__steps li:first-child {
  border-top: var(--faq-rule);
}

.page-faq .faq-submit__steps li::before {
  counter-increment: faq-step;
  content: "0" counter(faq-step);
  position: absolute;
  left: 0;
  top: 14px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--clay);
}

.page-faq .faq-submit__flow p {
  margin: 0 0 16px;
  font-size: 16px;
  line-height: 1.8;
}

.page-faq .faq-submit__flow p:last-of-type {
  margin-bottom: 0;
}

.page-faq .faq-submit__note {
  border-left: 4px solid var(--clay);
  padding: 14px 18px;
  background: rgba(217, 122, 60, 0.1);
  font-size: 15px;
  line-height: 1.75;
}

.page-faq .faq-submit__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

/* ---------- 联系客服 ---------- */
.page-faq .faq-help {
  padding: clamp(42px, 7vw, 88px) 0;
  border-top: var(--line) solid var(--ink);
  background:
    linear-gradient(180deg, rgba(127, 182, 196, 0.18), rgba(244, 241, 234, 0) 72%),
    var(--rice);
}

.page-faq .faq-help__inner {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
  align-items: center;
}

.page-faq .faq-help__title {
  margin: 12px 0 16px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(26px, 3.6vw, 44px);
  line-height: 1.08;
  letter-spacing: -0.01em;
  max-width: 22ch;
}

.page-faq .faq-help__copy > p {
  margin: 0 0 14px;
  font-size: 16px;
  line-height: 1.8;
  max-width: 42em;
}

.page-faq .faq-help__mail {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin: 22px 0 18px;
}

.page-faq .faq-help__addr {
  padding: 10px 14px;
  border: var(--line) solid var(--ink);
  border-radius: var(--r);
  background: #ffffff;
  box-shadow: var(--shadow-soft);
  font-family: var(--font-mono);
  font-size: clamp(14px, 1.5vw, 17px);
  word-break: break-all;
}

.page-faq .faq-help__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 900px) {
  .page-faq .faq-hero__inner {
    grid-template-columns: 1.08fr 0.92fr;
  }

  .page-faq .faq-help__inner {
    grid-template-columns: 1.05fr 0.95fr;
  }
}

@media (max-width: 640px) {
  .page-faq .faq-item__q {
    padding-right: 28px;
  }

  .page-faq .faq-item__q::after {
    top: 19px;
  }

  .page-faq .faq-item__a {
    padding-left: 0;
    padding-right: 0;
  }

  .page-faq .faq-help__addr {
    width: 100%;
  }
}

@media (max-width: 480px) {
  .page-faq .faq-filter__label {
    display: none;
  }

  .page-faq .faq-chip {
    padding: 6px 10px;
    font-size: 12px;
  }

  .page-faq .faq-item__idx {
    display: none;
  }

  .page-faq .faq-item__q {
    padding-right: 26px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item[open] > .faq-item__a {
    animation: none;
  }

  .page-faq .faq-chip {
    transition: none;
  }

  .page-faq .faq-chip:hover,
  .page-faq .faq-chip:focus-visible {
    transform: none;
  }
}